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ImHex/source/views/view_tools.cpp

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#include "views/view_tools.hpp"
#include <cstring>
#include <regex>
#include <optional>
#include "providers/provider.hpp"
#include "helpers/utils.hpp"
#include <llvm/Demangle/Demangle.h>
namespace hex {
ViewTools::ViewTools(hex::prv::Provider* &provider) : View("Tools"), m_dataProvider(provider) {
this->m_mangledBuffer = new char[0xF'FFFF];
std::memset(this->m_mangledBuffer, 0x00, 0xF'FFFF);
this->m_regexInput = new char[0xF'FFFF];
this->m_regexPattern = new char[0xF'FFFF];
this->m_replacePattern = new char[0xF'FFFF];
std::memset(this->m_regexInput, 0x00, 0xF'FFFF);
std::memset(this->m_regexPattern, 0x00, 0xF'FFFF);
std::memset(this->m_replacePattern, 0x00, 0xF'FFFF);
this->m_mathInput = new char[0xFFFF];
std::memset(this->m_mathInput, 0x00, 0xFFFF);
this->m_mathEvaluator.registerStandardVariables();
this->m_mathEvaluator.registerStandardFunctions();
this->m_mathEvaluator.setFunction("clear", [this](auto args) -> std::optional<long double> {
this->m_mathHistory.clear();
this->m_lastMathError.clear();
this->m_mathEvaluator.getVariables().clear();
this->m_mathEvaluator.registerStandardVariables();
std::memset(this->m_mathInput, 0x00, 0xFFFF);
return { };
}, 0, 0);
this->m_mathEvaluator.setFunction("read", [this](auto args) -> std::optional<long double> {
u8 value = 0;
if (this->m_dataProvider == nullptr || !this->m_dataProvider->isReadable() || args[0] >= this->m_dataProvider->getActualSize())
return { };
this->m_dataProvider->read(args[0], &value, sizeof(u8));
return value;
}, 1, 1);
this->m_mathEvaluator.setFunction("write", [this](auto args) -> std::optional<long double> {
if (this->m_dataProvider == nullptr || !this->m_dataProvider->isWritable() || args[0] >= this->m_dataProvider->getActualSize())
return { };
if (args[1] > 0xFF)
return { };
u8 value = args[1];
this->m_dataProvider->write(args[0], &value, sizeof(u8));
return { };
}, 2, 2);
}
ViewTools::~ViewTools() {
delete[] this->m_mangledBuffer;
delete[] this->m_regexInput;
delete[] this->m_regexPattern;
delete[] this->m_replacePattern;
delete[] this->m_mathInput;
}
void ViewTools::drawDemangler() {
if (ImGui::CollapsingHeader("Itanium/MSVC demangler")) {
if (ImGui::InputText("Mangled name", this->m_mangledBuffer, 0xF'FFFF)) {
this->m_demangledName = llvm::demangle(this->m_mangledBuffer);
}
ImGui::InputText("Demangled name", this->m_demangledName.data(), this->m_demangledName.size(), ImGuiInputTextFlags_ReadOnly);
ImGui::NewLine();
}
}
void ViewTools::drawASCIITable() {
if (ImGui::CollapsingHeader("ASCII table")) {
ImGui::BeginTable("##asciitable", 4);
ImGui::TableSetupColumn("");
ImGui::TableSetupColumn("");
ImGui::TableSetupColumn("");
ImGui::TableSetupColumn("");
ImGui::TableNextColumn();
for (u8 tablePart = 0; tablePart < 4; tablePart++) {
ImGui::BeginTable("##asciitablepart", this->m_asciiTableShowOctal ? 4 : 3, ImGuiTableFlags_BordersInnerV | ImGuiTableFlags_BordersOuter | ImGuiTableFlags_RowBg);
ImGui::TableSetupColumn("dec");
if (this->m_asciiTableShowOctal)
ImGui::TableSetupColumn("oct");
ImGui::TableSetupColumn("hex");
ImGui::TableSetupColumn("char");
ImGui::TableHeadersRow();
u32 rowCount = 0;
for (u8 i = 0; i < 0x80 / 4; i++) {
ImGui::TableNextRow(ImGuiTableRowFlags_Headers);
ImGui::TableNextColumn();
ImGui::Text("%02d", i + 32 * tablePart);
if (this->m_asciiTableShowOctal) {
ImGui::TableNextColumn();
ImGui::Text("0o%02o", i + 32 * tablePart);
}
ImGui::TableNextColumn();
ImGui::Text("0x%02x", i + 32 * tablePart);
ImGui::TableNextColumn();
ImGui::Text("%s", makePrintable(i + 32 * tablePart).c_str());
ImGui::TableSetBgColor(ImGuiTableBgTarget_RowBg0, ((rowCount % 2) == 0) ? 0xFF101010 : 0xFF303030);
rowCount++;
}
ImGui::EndTable();
ImGui::TableNextColumn();
}
ImGui::EndTable();
ImGui::Checkbox("Show octal", &this->m_asciiTableShowOctal);
ImGui::NewLine();
}
}
void ViewTools::drawRegexReplacer() {
if (ImGui::CollapsingHeader("Regex replacer")) {
bool shouldInvalidate;
shouldInvalidate = ImGui::InputText("Regex pattern", this->m_regexPattern, 0xF'FFFF);
shouldInvalidate = ImGui::InputText("Replace pattern", this->m_replacePattern, 0xF'FFFF) || shouldInvalidate;
shouldInvalidate = ImGui::InputTextMultiline("Input", this->m_regexInput, 0xF'FFFF) || shouldInvalidate;
if (shouldInvalidate) {
try {
this->m_regexOutput = std::regex_replace(this->m_regexInput, std::regex(this->m_regexPattern), this->m_replacePattern);
} catch (std::regex_error&) {}
}
ImGui::InputTextMultiline("Output", this->m_regexOutput.data(), this->m_regexOutput.size(), ImVec2(0, 0), ImGuiInputTextFlags_ReadOnly);
ImGui::NewLine();
}
}
void ViewTools::drawColorPicker() {
if (ImGui::CollapsingHeader("Color picker")) {
ImGui::SetNextItemWidth(300.0F);
ImGui::ColorPicker4("Color Picker", this->m_pickedColor.data(),
ImGuiColorEditFlags_Uint8 | ImGuiColorEditFlags_AlphaBar | ImGuiColorEditFlags_DisplayRGB | ImGuiColorEditFlags_DisplayHex);
ImGui::NewLine();
}
}
void ViewTools::drawMathEvaluator() {
if (ImGui::CollapsingHeader("Calculator")) {
if (ImGui::InputText("Input", this->m_mathInput, 0xFFFF, ImGuiInputTextFlags_EnterReturnsTrue | ImGuiInputTextFlags_AutoSelectAll)) {
ImGui::SetKeyboardFocusHere();
std::optional<long double> result;
try {
result = this->m_mathEvaluator.evaluate(this->m_mathInput);
} catch (std::invalid_argument &e) {
this->m_lastMathError = e.what();
}
if (result.has_value()) {
this->m_mathHistory.push_back(result.value());
std::memset(this->m_mathInput, 0x00, 0xFFFF);
this->m_lastMathError.clear();
}
}
if (!this->m_lastMathError.empty())
ImGui::TextColored(ImColor(0xA00040FF), "Last Error: %s", this->m_lastMathError.c_str());
else
ImGui::NewLine();
enum class MathDisplayType { Standard, Scientific, Programmer } mathDisplayType;
if (ImGui::BeginTabBar("##mathFormatTabBar")) {
if (ImGui::BeginTabItem("Standard")) {
mathDisplayType = MathDisplayType::Standard;
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("Scientific")) {
mathDisplayType = MathDisplayType::Scientific;
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem("Programmer")) {
mathDisplayType = MathDisplayType::Programmer;
ImGui::EndTabItem();
}
ImGui::EndTabBar();
}
if (ImGui::BeginTable("##mathWrapper", 2)) {
ImGui::TableSetupColumn("##results");
ImGui::TableSetupColumn("##variables", ImGuiTableColumnFlags_WidthStretch, 0.7);
ImGui::TableNextRow();
ImGui::TableNextColumn();
if (ImGui::BeginTable("##mathHistory", 1, ImGuiTableFlags_ScrollY | ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg, ImVec2(0, 400))) {
ImGui::TableSetupScrollFreeze(0, 1);
ImGui::TableSetupColumn("History");
ImGuiListClipper clipper;
clipper.Begin(this->m_mathHistory.size());
ImGui::TableHeadersRow();
while (clipper.Step()) {
for (u64 i = clipper.DisplayStart; i < clipper.DisplayEnd; i++) {
if (i == 0)
ImGui::PushStyleColor(ImGuiCol_Text, ImU32(ImColor(0xA5, 0x45, 0x45)));
ImGui::TableNextRow();
ImGui::TableNextColumn();
switch (mathDisplayType) {
case MathDisplayType::Standard:
ImGui::Text("%.3Lf", this->m_mathHistory[(this->m_mathHistory.size() - 1) - i]);
break;
case MathDisplayType::Scientific:
ImGui::Text("%.6Le", this->m_mathHistory[(this->m_mathHistory.size() - 1) - i]);
break;
case MathDisplayType::Programmer:
ImGui::Text("0x%llX (%llu)",
u64(this->m_mathHistory[(this->m_mathHistory.size() - 1) - i]),
u64(this->m_mathHistory[(this->m_mathHistory.size() - 1) - i]));
break;
}
if (i == 0)
ImGui::PopStyleColor();
}
}
clipper.End();
ImGui::EndTable();
}
ImGui::TableNextColumn();
if (ImGui::BeginTable("##mathVariables", 2, ImGuiTableFlags_ScrollY | ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg, ImVec2(0, 400))) {
ImGui::TableSetupScrollFreeze(0, 1);
ImGui::TableSetupColumn("Name");
ImGui::TableSetupColumn("Value");
ImGui::TableHeadersRow();
for (const auto &[name, value] : this->m_mathEvaluator.getVariables()) {
ImGui::TableNextRow();
ImGui::TableNextColumn();
ImGui::TextUnformatted(name.c_str());
ImGui::TableNextColumn();
switch (mathDisplayType) {
case MathDisplayType::Standard:
ImGui::Text("%.3Lf", value);
break;
case MathDisplayType::Scientific:
ImGui::Text("%.6Le", value);
break;
case MathDisplayType::Programmer:
ImGui::Text("0x%llX (%llu)", u64(value), u64(value));
break;
}
}
ImGui::EndTable();
}
ImGui::EndTable();
}
}
}
void ViewTools::createView() {
if (ImGui::Begin("Tools", &this->getWindowOpenState(), ImGuiWindowFlags_NoCollapse)) {
this->drawDemangler();
this->drawASCIITable();
this->drawRegexReplacer();
this->drawMathEvaluator();
this->drawColorPicker();
}
ImGui::End();
}
void ViewTools::createMenu() {
}
}
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